Saint Louis (25-3, 12-1 Atlantic 10) had not lost since dropping a 70-65 decision on Dec. 1 to unbeaten Wichita State, now ranked No. 2 in the country.

Mason, who entered leading the nation in 3-point shooting percentage (.554), hit four of five from behind the arc for Duquesne (12-15, 4-10), which beat a top-10 opponent on the road for the fifth time (5-28). The Dukes, who were 14-point underdogs, improved to 25-55 against teams ranked in the top 10.

Dwayne Evans had 10 points and 12 rebounds for Saint Louis. Mike McCall Jr. led the Billikens with 18 points, while Jordair Jett (13 points) and Rob Loe (12 points) also were in double digits.

VCU (21-7, 9-4 Atlantic 10) led 34-32 at halftime but broke the game open with an early 19-3 run. Rob Brandenberg played a big role in that. He scored 16 points, hitting all four of his 3-pointers, all in the second half. Melvin Johnson added 14 points.

Mandell Thomas and Jon Severe had 14 points apiece for Fordham (9-17, 2-11), which lost its fifth straight.

During the back-breaking run, Brandenberg, Johnson and JeQuan Lewis knocked down 3s.

Brandenberg's second 3 at 12:53 made it 60-40 and his fourth trey made it 73-48 with 8:37 to play.

VCU connected on 10 of 21 3s for 47.6 percent. They were just 19 of 48 inside the arc. They also built a 56-32 rebounding margin, 24 on the offensive end.